Brightness Level Disc has two sizes: 1x1 and 2x2.
Widget does not drain battery.
Revolutionary Brightness Level Disc widget fits perfect for Ice Cream Sandwich Devices with Holographic User Interface.
To add Brightness Level Disc widget press: Home->Menu->Add->Widgets->Brightness Level
Press Brightness toggle Widget to display detailed information about your smartphone''s screen brightness and set brightness precisely.
PERMISSIONS are needed for writing system brightness settings and ads (app is completely free, respect work of developer and designer, do not complain about ads)